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7.3 Indications on operation
In the case of testing with the SACE PR010/T unit for G protection function, the maximum trip
time tolerance value is 35%. The minimum threshold is 0.6 x In for the manual test.
Example of an automatic test application on the PR111/LSI unit fitted on CB E1B12, with CT
= 800 A, Neutral = 50%.
[Make sure the default setting is programmed for automatic testing as shown under the heading
"Default setting for automatic PR111/P testing"].
8. SACE PR111/P-A
protection release
1. From the main menu select 1 (Operation mode)
2. Select the PR111 unit with 1
(PR111)
3. Select the version of the PR111 with 2
(PR111-LSI)
4. Enter 1 to select the Neutral setting
(Neutral = 50%)
5. Enter 2 to select the type of CB
(E1B12)
6. Select the current rating of the CTs fit-
ted with 3
(800 A)
7. Select the type of test with 1
(Protections)
8. Select the test mode with 1
(Automatic)
In=
InN=In/2
Nr.
+ -
LISTED
Low-VoltageAC
Power Circuit-Breaker
TripUnit
63TA
I1=
xIn
I2=
xIn
I3=
xIn
I4=
xIn
I GL
S
RP 11 1
TEST
TO
P
/ P-A
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